427285865652 has 24 divisors (see below), whose sum is σ = 998161029600. Its totient is φ = 142262810976.

The previous prime is 427285865641. The next prime is 427285865681. The reversal of 427285865652 is 256568582724.

It is a super-3 number, since 3×427285865652³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20715627 + ... + 20736242.

It is an arithmetic number, because the mean of its divisors is an integer number (41590042900).

Almost surely, 2^427285865652 is an apocalyptic number.

It is an amenable number.

427285865652 is an abundant number, since it is smaller than the sum of its proper divisors (570875163948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427285865652 is a wasteful number, since it uses less digits than its factorization.

427285865652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41452735 (or 41452733 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 60.

The spelling of 427285865652 in words is "four hundred twenty-seven billion, two hundred eighty-five million, eight hundred sixty-five thousand, six hundred fifty-two".